package iptools

import (
	"fmt"
	"net/netip"
	"testing"
)

var (
	poolTestIP1 = netip.MustParseAddr("192.168.4.1")
	poolTestIP2 = netip.MustParseAddr("192.168.4.32")
)

func TestBasicPool(t *testing.T) {
	r := &Range{
		Start: poolTestIP1,
		End:   poolTestIP2,
	}

	p, err := NewPool("cluster", r)
	if err != nil {
		t.Fatal(err)
	}

	if len(p.Available) != 32 {
		t.Fatalf("have %d available leases, want %d", len(p.Available), 32)
	}

	for i := range p.Available {
		l := p.Available[i]
		expectedName := fmt.Sprintf("cluster%02d", l.Addr.As4()[3])
		if l.HostName != expectedName {
			t.Fatalf("have hostname %s, want %s", l.HostName, expectedName)
		}
	}
}